Fluorescent lamp



FIG. 1 is a front elevational view of a fluorescent lamp showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a top plan view thereof. 

The ornamental design for a fluorescent lamp, substantially as shown and described. 